Applications of Geotextile
Geotextile plays a vital tools in the construction of roads, drains, harbor works, breakwaters and many other projects. They are also often used in civil engineering. What makes them truely dynamic is their ability to perform different functions within all these different projects.
Here’s a look at some of the most common applications for geotextile
This application is what the name suggests, The geotextile is laid between two different types of soil, old and new pavement or soil and new construction. There are endless amount of possibilities. Separation is nearly distinguishable from stabilization, but there are some distinct variations to achieve stabilization.
In a typical stabilization application, the geotextile is laid on a material that’s compressible. Most often, that’s wet soft soil. The geotextile is then able to allow water from soft soil to pass into a more freely draining material. This consolidates the bottom layer, which strengthens it and makes it a more reliable base.
In this application, the geotextile is a source of strength rather than strengthening the bottom soil as in stabilization. It means that rather than being placed on the top of a layer that needs to be strengthened, reinforcement applications are accomplished by placing the layer within the weak layer. In this way, reinforcement through geotextiles is similar to reinforcement techniques for other materials, like concrete.
This application is also similar to stabilization in that the primary function is to allow water to be passed out of the covered layer, The goal of filtration is to remove water without allowing soil or other fine material to pass through. This is accomplished in conjunction with a filter behind the geotextile. Water is simply removed rather than being filtered into another material.
Essentially, this application for geotextiles in the opposite of what’s been discussed. Rather than allowing water through the geotextile, water and other material are blocked by applying an asphaltic emulsion. This makes the geotextile impermeable and ideal for use in projects like pavement rehabilitation.